What Spring Developers Should Know About Jakarta EE

by ivargrimstad

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Ivar Grimstad  Jakarta EE Developer Advocate Eclipse Foundation What Spring Developers Should Know About Jakarta EE

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https://github.com/ivargrimstad https://www.linkedin.com/in/ivargrimstad @[email protected] ivargrimstad_of fi cial @ivar_grimstad https://www.threads.net/@ivargrimstad_of fi cial @theguywiththeduketattoo.com

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1995 1999

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Hello The following slide contains some disturbing content that may not be suitable for all audiences. Viewer discretion is advised.

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SessionBean Hello EnterpriseBean Serializable Remote EJBObject HelloRemote HelloObject EBJHome HelloHome EBJLocalHome HelloLocalHome EJBLocalObject HelloLocal HelloHomeObject HelloLocal Home Object HelloLocalObject

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… … EAR ejb-jar XML XML

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2004 1995 1999

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Hello

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Hello XML XML XML WAR

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2004 1995 1999 2006 JSR 330 2009

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public class Hello { public String say() { return “Happy Birthday, Duke!”; } }

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@Stateless public class Hello { public String say() { return “Happy Birthday, Duke!”; } }

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Hello

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Hello WAR/JAR

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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Speci fi cation Document API TCK Final Speci fi cation Compatible Implementation(s) Speci fi

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COPYRIGHT (C) 2022, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta EE 11

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RESTful Web Services 4.0 JSON Processing 2.1 JSON Binding 3.0 Annotations 3.0 CDI Lite 4.1 Interceptors 2.2 Dependency Injection 2.0 Servlet 6.1 Pages 4.0 Expression Language 6.0 Debugging Support 2.0 Standard Tag Libraries 3.0 Faces 4.1 WebSocket 2.2 Enterprise Beans Lite 4.0 Persistence 3.2 Transactions 2.0 CDI 4.1 Authentication 3.1 Concurrency 3.1 Security 4.0 Validation 3.1 Data 1.0 Authorization 3.0 Activation 2.1 Batch 2.1 Connectors 2.1 Mail 2.1 Messaging 3.1 Enterprise Beans 4.0 Jakarta EE 11 Platform Jakarta EE 11 Web Pro fi Updated Not Updated New

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Jakarta EE 11 Web Pro fi le RESTful Web Services 4.0 JSON Processing 2.1 JSON Binding 3.0 Annotations 3.0 CDI Lite 4.1 Interceptors 2.2 Dependency Injection 2.0 Servlet 6.1 Pages 4.0 Expression Language 6.0 Debugging Support 2.0 Standard Tag Libraries 3.0 Faces 4.1 WebSocket 2.2 Enterprise Beans Lite 4.0 Persistence 3.2 Transactions 2.0 CDI 4.1 Authentication 3.1 Concurrency 3.1 Security 4.0 Validation 3.1 Data 1.0 Jakarta EE 11 Core Pro fi Updated Not Updated New

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Jakarta EE 11 Core Pro fi le Updated Not Updated New RESTful Web Services 4.0 JSON Processing 2.1 JSON Binding 3.0 Annotations 3.0 CDI Lite 4.1 Interceptors 2.2 Dependency Injection 2.0

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Jakarta EE 11 API source level: Java SE 17 API binary level: Java SE 17 TCK run with: Java SE 17+21 App Developers (YOU) can use Java SE 21 features if you like !!

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COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) May, 2024 Milestone 4 • Feature complete • All API jars released • For each API at least one compatible implementation (e.g. Hibernate, Mojarra) • Each compatible implementation passed standalone TCK jakarta.platform jakarta.jakartaee-api 11.0.0-M4 provided

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COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Q4, 2024 (Core Pro fi le) Q1, 2025 (Web Pro fi le) Q2, 2025 (Platform)

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javax.* -> jakarta.*

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Authorization Activation Batch Connectors Mail Messaging Enterprise Beans RESTful Web Services JSON Processing JSON Binding Annotations CDI Lite Interceptors Dependency Injection Servlet Pages Expression Language Debugging Support Standard Tag Libraries Faces WebSocket Enterprise Beans Lite Persistence Transactions CDI Authentication Concurrency Security Validation Data Jakarta EE Authorization Activation Batch Connectors Mail Messaging Enterprise Beans RESTful Web Services JSON Processing JSON Binding Annotations CDI Lite Interceptors Dependency Injection Servlet Pages Expression Language Debugging Support Standard Tag Libraries Faces WebSocket Enterprise Beans Lite Persistence Transactions CDI Authentication Concurrency Security Validation Data Spring

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Eclipse Jetty Apache Tomcat Undertow Open Liberty

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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta Servlet https://jakarta.ee/speci fi cations/servlet

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Hibernate Validator

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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta Validation https://jakarta.ee/speci fi cations/bean-validation

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Hibernate ORM

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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta Persistence https://jakarta.ee/speci fi cations/persistence

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UUID as Basic Java Type @Entity public class Item { @Id @GeneratedValue(strategy=GenerationType.UUID) private java.util.UUID id; private String description; … }

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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Deprecate Calendar, Date, Time, Timestamp, Temporal, MapKeyTemporal, TemporalType Replace with java.time API Java Con fi guration as alternative to persistence.xml via the PersistenceConfiguration Class Lots of New Convenience methods for Criteria Language

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COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta Data 1.0 Standardizes the repository pattern for data access https://jakarta.ee/speci fi cations/data/1.0/ NEW in Jakarta EE 11

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@Repository public interface GreetingRepository extends CrudRepository { Optional findByName(String name); } import jakarta.data.repository.CrudRepository; import jakarta.data.repository.Repository;

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COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Jakarta Data Query Language (JDQL) https://github.com/jakartaee/data/blob/main/spec/src/antlr/JDQL.g4

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@Query("where title like :title") List booksByType(String title);

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Authorization Activation Batch Connectors Mail Enterprise Beans JSON Processing CDI Lite Interceptors Pages Expression Language Debugging Support Standard Tag Libraries Faces Enterprise Beans Lite CDI Authentication Security Jakarta EE Spring Mail Messaging Messaging Concurrency Concurrency WebSocket WebSocket Transactions Transactions RESTful Web Services RESTful Web Services JSON Binding JSON Binding Annotations Annotations Dependency Injection Dependency Injection Persistence Validation Data Servlet Expression Language

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AI Application

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Open AI Application

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Open AI Application HTTP

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Open AI Application +

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Open AI Application +

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2026 2024/5 2020 Java 21 Embrace Records Jakarta Data CDI Centric Removals and Deprecations Jakarta EE Core Pro fi le 2022 COPYRIGHT (C) 2025, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) 12 javax.* -> jakarta.*

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Authorization 5.0* Activation 2.1 Batch 2.2 Connectors 2.2 Mail 2.1 Messaging 3.1 Enterprise Beans 4.1 RESTful Web Services 5.0 JSON Processing 2.2 JSON Binding 3.1 Annotations 3.1 CDI Lite 5.0 Interceptors 2.2 Dependency Injection 2.0 Servlet 6.2 Pages 4.1 Expression Language 6.1 Debugging Support 2.0 Standard Tag Libraries 3.1 Faces 5.0 WebSocket 2.3 Enterprise Beans Lite 4.1 Persistence 4.0 Transactions 2.1 CDI 5.0 Authentication 5.0* Concurrency 3.2 Security 5.0 Validation 4.0 Jakarta EE 12 Platform Updated Not Updated New Data 1.1 Query 1.0 Subject to Change MVC NoSQL

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Jakarta EE 12 API source level: Java SE 21 API binary level: Java SE 21 TCK run with: Java SE 21+25 App Developers (YOU) can use Java SE 25 features if you like !!

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COPYRIGHT (C) 2022, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0) Summary

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MVC 3.1 NoSQL 1.1 Authorization 5.0* Activation 2.1 Batch 2.2 Connectors 2.2 Mail 2.1 Messaging 3.1 Enterprise Beans 4.1 RESTful Web Services 5.0 JSON Processing 2.2 JSON Binding 3.1 Annotations 3.1 CDI Lite 5.0 Interceptors 2.2 Dependency Injection 2.0 Servlet 6.2 Pages 4.1 Expression Language 6.1 Debugging Support 2.0 Standard Tag Libraries 3.1 Faces 5.0 WebSocket 2.3 Enterprise Beans Lite 4.1 Persistence 4.0 Transactions 2.1 CDI 5.0 Authentication 5.0* Concurrency 3.2 Security 5.0 Validation 4.0 Jakarta EE 12 Platform Updated Not Updated New Data 1.1 Query 1.0 Subject to Change

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Jakarta EE https://jakarta.ee Get Started  https://start.jakarta.ee Ivar’s Hashtag Jakarta EE https://www.agilejava.eu/category/jakarta-ee/ Demo Code https://github.com/ivargrimstad/jakartaee-spring  https://github.com/ivargrimstad/duke-ai  https://github.com/ivargrimstad/duke-spring  https://github.com/ivargrimstad/jakarta-gpt https://theguywiththeduketattoo.com SPRING

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Thanks!